FAA’s Lack of Staffing, Proper Training, and Data Access Cited in OIG Report The Transportation Department’s Office of Inspector General (OIG) started keeping a closer eye on the Federal Aviation Administration’s relationship with United Airlines after it flagged a series of safety incidents in 2023 and 2024. Its conclusion? Staffing shortages, uneven training, and limited access to carrier data have stalled the regulator’s attempt to boost oversight.